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Optical Element Cell NSN 1240-00-382-0993

Item Description

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

NSN 1240-00-382-0993 NSN: 1240-00-382-0993

Features and Characteristics

Thread Class
3a and 3b
Thread Pitch Diameters
+1.8547 to 1.8750 inches and +1.4797 to 1.5000 inches
Thread Direction
Right-hand and right-hand
Thread Length
0.750 inches and 0.350 inches
Overall Length
0.825 inches
Thread Size
1 7/8-32 and 1 1/2-32
Overall Diameter
1.875 inches
Screw Thread Series Designator
Unf and unf
Drive Type
Slotted face
Thread Location
External and internal
Eccentric Construction
Not provided
Chamfer Location
Larger diameter end
Chamfer Size
0.010 by 9 deg
Element Securing Method
Internal thread
Material
Brass
Material
Copper alloy
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
003820993
NSN
1240003820993

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
233057PC5
Cage Code:
10001
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-00-382-0993
What are the manufacturers of nsn 1240003820993?
Does this nsn 1240003820993 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240003820993
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Does nsn 1240003820993 contain any precious metals?
No precious metal content.
Does nsn 1240003820993 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240003820993?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
21859
FIIG:
T271-J
App. Key:
JB
Cond. Code:
2
Status:
A

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